20 : 10 : 39 : 47 . The load box test. The load box test determines the extent to which the primary system contributes to stray current or stray voltage at cow contact points.

Source: 42 SDR 174 , effective June 21, 2016 .

General Authority: SDCL 49-47-2.

Law Implemented: SDCL 49-47-2 , 49-47-3 .